former democratic governor of michigan jennifer granholm. atlanta's democratic mayor kasim reed. republican strategist alex castellanos. and nbc's tom brokaw. >>> and later, politics, satire, and lots of laughs. i go one-on-one with stephen colbert. in character -- >> i don't really watch the news so much. i come in around 6:30 and i just say the opposite of whatever rachel maddow says the night before. and comedy just helps an idea go down. that's all. and it just makes you listen for a minute. >>> from nbc news in washington, "meet the press" with david gregory. >>> good sunday morning. it is a critical time in the race for the white house now. over the next eight days, think about it, we'll see the final two debates as polls show mitt romney now improving his standing in key battleground states of florida, virginia, and ohio. look at those polls. meanwhile, this weekend, people are still debating who won the vice presidential face-off as "saturday night live" had some fun with the vice president's over the top performance. >> congressman ryan, we begin with your opening statem